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For the Inventor, By the Inventor

Houston, TX, United States of America

Esm International, Inc.


USPTO Granted Patents = 15

Forward Citations = 133

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11 inventors (with patents filed for the assignee):

goldMedal George A Zivley (3 out of 3 patents)

silverMedal Jerry W Brum (3 out of 4 patents)

bronzeMedal James E Crismon (3 out of 3 patents)

4.  Joel P Childress (3 out of 3 patents)

5.  William C Long (2 out of 3 patents)

6.  Calvin G Gray (2 out of 7 patents)

7.  Edward M Browne (2 out of 7 patents)

8.  Jerry W Brun (1 out of 1 patent)

9.  Edward G Reyes (1 out of 1 patent)

10.  Jeffery S Pawley (1 out of 2 patents)

11.  Jay A Rice (1 out of 1 patent)


15 patents:

1. 5509537 - Sorting machine ejection system (1996-04-23),
2. 5508512 - Sorting machine using dual frequency optical detectors (1996-04-16),
3. 5407082 - Automatic ejector rate normalizer using multiple trip levels established (1995-04-18),
4. 5353937 - Automatic variable ejector delay time and dwell type mechanism in a (1994-10-11),
5. 5352888 - Method and apparatus for detecting and utilizing frame fill information (1994-10-04),
6. 5279426 - Ejection finger (1994-01-18),
7. 5278768 - Autotrip operation of a sorting machine using color sorting (1994-01-11),
8. 5265732 - Variable background for a sorting machine (1993-11-30),
9. 5246117 - Sorting machine including product length inspection (1993-09-21),
10. 5111926 - Singulating and orienting slide conveyor (1992-05-12),
11. 5062532 - Sorting machine including photo site processing (1991-11-05),
12. 5000324 - Ejector nozzle with pressure differential (1991-03-19),
13. 4774718 - Automatic ejector rate normalizer (1988-09-27),
14. 4647211 - Apparatus for measuring reflectivity which is tolerant of background and (1987-03-03),
15. 4626677 - Continuous normalizer for an electronic circuit that compensates for (1986-12-02),
Company Overview
Esm International, Inc. is a Houston-based company specializing in advanced engineering solutions and technology development. The organization focuses on providing innovative products and services across various sectors, including energy, aerospace, and industrial applications. With a commitment to research and development, Esm International leverages cutting-edge technologies to enhance operational efficiency and drive sustainable practices. The company's expertise in engineering and technology positions it as a key player in the evolving landscape of industrial solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#345 in Houston, TX

#1,298 in Texas

#21,052 in US

#39,921 in the World

Houston, TX (US)
Houston, TX, United States of America

Esm International, Inc.

Forward Citations = 133

11 inventors:

goldMedal George A Zivley (3 out of 3 patents)

silverMedal Jerry W Brum (3 out of 4 patents)

bronzeMedal James E Crismon (3 out of 3 patents)

4.  Joel P Childress (3 out of 3 patents)

5.  William C Long (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Esm International, Inc.. Retrieved from https://idiyas.com/company/esm-international

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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